Low profile, aerodynamic non-powered ventilation system provides ventilation where you need it. Perfect for non-powered bathroom and kitchen ventilation systems. The 10½ dia. opening with manual closing baffle keeps any space fresh and comfortable. Built-in rain shield and screens protect your RV interior from rain, bugs and debris when open or closed. Screens on interior panel and on exterior vent cover can be easily removed for cleaning. Easily installs into any 14 x 14 opening. Ventilation system cover is 4 H. | Maxxair Mini Vent, Black